EP2753512A2 - Brake control device for a brake system, brake system, rail vehicle and method for operating a brake system - Google Patents
Brake control device for a brake system, brake system, rail vehicle and method for operating a brake systemInfo
- Publication number
- EP2753512A2 EP2753512A2 EP12756726.1A EP12756726A EP2753512A2 EP 2753512 A2 EP2753512 A2 EP 2753512A2 EP 12756726 A EP12756726 A EP 12756726A EP 2753512 A2 EP2753512 A2 EP 2753512A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- brake
- control device
- braking
- data
- friction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000009471 action Effects 0.000 claims abstract description 64
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- 230000000694 effects Effects 0.000 abstract description 21
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- 239000000725 suspension Substances 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 4
- 206010040925 Skin striae Diseases 0.000 description 3
- 208000031439 Striae Distensae Diseases 0.000 description 3
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1705—Braking or traction control means specially adapted for particular types of vehicles for rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/406—Test-mode; Self-diagnosis
Definitions
- Brake control device for a brake system, brake system, rail vehicle and method for operating a brake system
- the present invention relates to a brake control device for a brake system for a rail vehicle, a brake system for a rail vehicle, a rail vehicle with a brake control device and / or a brake system and a method for operating a brake system of a rail vehicle.
- a brake system One of the most important and safety-relevant systems of a rail vehicle is the brake system.
- pneumatic brakes are often used as service brakes, which are optionally supplemented by further braking systems.
- a brake pressure is exerted on a force generator, such as a pneumatic cylinder, which is then to bring frictional elements of a Reibbrems worn in frictional contact to cause a braking.
- a brake signal is usually generated before the departure of a train and checked by means of pressure sensors, whether a brake signal corresponding brake pressure is generated.
- An object of the present invention is to enable improved monitoring of braking devices of rail vehicles.
- a rail vehicle may designate one or more cars with or without their own drive and / or a towing vehicle in any combination.
- a rail vehicle may have railcars.
- a rail vehicle or a carriage of the rail vehicle may have bogies on which wheel axles of the vehicle are arranged. The bogies can be attached to a car body.
- a brake system may be a pneumatic, electropneumatic, hydraulic, electrohydraulic, electric or electromechanical brake system and in particular have one or more corresponding brake devices.
- a brake device may be a frictionally-dependent friction brake device that is able to transmit a braking force via a wheel-rail contact.
- Such frictional-dependent friction brake device may be, for example, a pad brake device, a disc brake device or a combined disc and pad brake device.
- a rail braking device such as a magnetic rail brake is not considered frictional friction brake device in this sense, as it is able to transmit their braking force instead of a wheel-rail contact via its own frictional contact with the rail.
- a traction-dependent friction brake device may comprise one or more friction brake devices.
- a traction-dependent friction brake device may include one or more force generators.
- a force generator may be designed to actuate a friction brake device for braking when acted upon by an actuating medium such as a brake pressure or an electric brake current.
- a friction brake device having a force generator operated by a brake pressure may be referred to as a pressure-operated brake device.
- a pressure-actuated brake device may in particular be a pneumatic or hydraulic brake device.
- a friction brake device having a force generator that is actuated by an electric current may be used as an electrically operated brake device. tion and in particular be an electrical or electromechanical braking device.
- a pressure-actuated brake device can have electrically controllable valves such as solenoid valves and / or electrically controllable pilot valves and can accordingly be referred to as an electropneumatic or electrohydraulic brake device.
- a Reibbrems may be adapted to generate upon application of an actuating medium such as a hydraulic or pneumatic brake pressure or a braking current to one or more force generator acting on a wheel and / or an axis of the vehicle braking torque.
- a pressure-actuated brake device or a friction brake device can have as a force generator, for example, a pneumatic or hydraulic cylinder which actuates the friction brake device for braking when subjected to a pneumatic or hydraulic pressure.
- An electrically operated brake device or friction brake device can have an electrically actuated actuator as a force generator, which is able to convert an electric current into a brake application.
- a friction brake device may in particular comprise a plurality of friction elements, which are intended to rub against each other. In particular, at least one friction pair may be provided with two friction elements.
- a friction brake device may have a brake disk which is designed to be brought into frictional contact with one or more brake shoes provided with a brake pad when the brake is actuated.
- a Reibbrems worn may alternatively have one or more brake pads with associated brake pad, which are brought into frictional contact with a wheel surface of a wheel when the brake is actuated.
- the pressure exerted on the force generator or the pneumatic or hydraulic cylinder for actuating the friction brake device may be referred to as brake pressure.
- An electric current provided for operating a force generator may be referred to as a braking current.
- a friction brake device may be designed to brake a wheel and / or a wheel axle suspended individually, which has at least two wheels rigidly connected to one another. Thus, a friction brake device can be assigned to at least one wheel.
- a Reibbrems worn can on the one Be arranged or hung bogie on which the associated axis and / or its associated wheel is arranged.
- the force exerted by the force generator when a friction brake device is actuated can be referred to as a brake force.
- the braking force depends on the applied brake pressure or braking current as well as the construction, condition and operation of the friction brake device.
- the braking torque can be the moment that is exerted on a wheel during braking.
- the braking torque depends in particular on the braking force and on the wheel geometry, in particular on a wheel diameter.
- Braking force can also act on a non-moving wheel, for example, to bring a brake pad in contact with a wheel tread or a brake disc. When the wheel is moving, a braking force generates an associated braking torque.
- a brake control device may be an electronic control device for a brake system of a rail vehicle.
- the brake control device can be, for example, an anti-slip computer, a brake computer or a control device designed as another control device of the brake system of a rail vehicle.
- a brake action sensor device may be configured to detect an actual braking effect exerted on a wheel and / or an axle. It is conceivable, in particular, for a brake action sensor device to be designed as a brake force sensor device which is capable of detecting a braking force exerted on at least one friction brake device assigned to it and / or an associated braking torque. Thus, a brake action sensor device can be designed, for example, for detecting a braking force exerted by at least one friction brake device and / or a braking torque exerted by the at least one friction brake device.
- a brake action sensor device may for example comprise one or more sensors, which may be arranged on a bogie at a suspension point of a friction brake device.
- a brake action sensor device may in particular have one or more stretch marks.
- Elements, for example sensors, of the brake-action sensor device can be arranged on movable and / or rigid elements of the friction-braking device and / or their suspension, in order to actuate the friction brake device to measure a reaction, which is generated by a friction partner such as a wheel or a brake disc.
- a reaction can be concluded that the braking force and / or the braking torque.
- Such a reaction can be manifested in the form of a deformation that can be detected, for example, by stretch marks.
- the braking effect sensor device can be provided for detecting the braking force and / or the braking torque for more than one friction brake device.
- a sensor device can provide signals that represent measurement results. Such signals may be represented by corresponding data that may be received by a controller.
- a brake actuation sensor device may be configured to detect a variable concerning and / or representing the operation of a friction brake device, which may in particular be a brake pressure of a pressure-actuated brake device and / or a brake current of an electrically actuated brake device.
- the present invention relates to a brake control device for a brake system for a rail vehicle, wherein the brake system comprises at least one Reib gleichab- dependent friction brake device.
- the brake control device is designed to receive brake actuation data from a brake actuation sensor device of the brake system, which brake data is assigned to the at least one frictionally-dependent friction brake device.
- the brake control device is configured to receive brake action data from a brake action sensor device of the brake system which are assigned to the at least one frictional-engagement-dependent friction brake device.
- the brake control device is designed to control the frictionally-dependent friction brake device for braking and to associate and monitor brake actuation data and brake action data during braking.
- the brake control device can in particular be designed to provide a brake during a journey, so when the rail vehicle moves.
- the brake controller may include one or more separate controller components. For example, one component may be designed to control the braking, and another component to receive and / or associate brake actuation data and brake action data.
- the traction-dependent friction brake device may be a pressure-actuated or an electrically-operated brake device.
- a pressure actuated brake device may include one or more control valve assemblies via which brake pressure may be provided.
- a pressure-actuated brake device has a main control valve device, via which a plurality of friction brake devices of the brake device, a common brake pressure can be provided, such as a master brake pressure.
- the brake control device and / or a component of the brake control device may be designed to control the control valve device or control valve devices of the pressure-actuated brake device in order to trigger the pressure-actuated brake device to brake.
- a traction-dependent friction brake device may comprise one or more friction brake devices.
- a pressure-actuated brake device in addition to a main control valve means additional control valves, such as are provided with drain valves, via which the Reibbrems featureden the pressure-operated braking device or their associated force generator can be supplied with a brake pressure.
- additional control valves can be supplied to such additional control valve devices.
- the additional control valves can be part of a sliding protection device.
- One or more friction brake devices can each be assigned to an additional control valve device be, which can be supplied via the control valve device with brake pressure.
- An electrically actuated brake device may comprise one or more current sources via which, in accordance with the brake control device, one or more force generators may be provided with an electrical brake current. It can be provided that different force generators can be supplied and / or supplied with different brake currents in accordance with the brake control device.
- the brake actuation sensor device may have one or more sensors. It can be provided that the brake actuation sensor device has one or more brake pressure sensors and is thus to be regarded as a brake pressure sensor device. Accordingly, brake actuation data may represent a brake pressure and / or brake pressure data.
- the brake actuation sensor device can have one or more sensors for determining an electrical brake current and can thus be regarded as a brake current sensor device. Accordingly, brake actuation data may represent an electric brake current and / or brake current data. In general, brake actuation data may include brake pressure data and / or brake current data. It may be expedient for the brake actuation sensor device to be connected or connectable to the brake control device in order to transmit brake actuation data.
- the brake actuation sensor device may comprise individual force generators and / or control valve devices of the friction-dependent friction brake device associated brake pressure sensors and / or brake current sensors. The brake actuation sensor device may be designed to detect at least one brake pressure or brake current supplied to a force generator for actuating the brake device associated with the brake device.
- a brake actuation sensor device designed as brake pressure sensor device is designed to detect a main brake pressure and / or at least one brake pressure applied individually to a force generator and / or downstream of a control valve device.
- Brake pressure data may thus relate to a main brake pressure and / or at least one brake pressure applied to a force generator and / or downstream of a control valve device, or may be applied. ben.
- brake pressure data can be regarded as brake pressure data assigned to the friction-dependent friction brake device.
- a brake actuation sensor device embodied as brake current sensor device is designed to detect a main brake current and / or at least one brake current that is applied individually to a force generator.
- Brake current data may thus relate to or indicate a main brake current and / or at least one brake current applied to a force generator.
- brake current data can be regarded as brake current data assigned to the frictional-dependent friction brake device.
- Brake current data and / or brake pressure data may be considered as actuation data.
- the brake action sensor device may include one or more brake action sensors.
- Brake action data may indicate or relate to a braking effect applied to a wheel during braking.
- a brake action sensor may in particular be a brake force sensor which is capable of detecting a braking force and / or a braking torque.
- brake action data may be braking force data which indicate and / or relate to a braking force and / or a braking torque exerted by at least one friction brake device.
- a brake effect sensor or the brake effect sensor device can be assigned to at least one friction brake device of the brake device. Brake action data from such a sensor device assigned to a friction brake device and / or from such a sensor can be regarded as brake action data assigned to the pneumatic brake device.
- a brake action sensor may be arranged in direct mechanical contact with a component of a friction brake device and / or with a suspension of the friction brake device. In particular, a brake effect sensor for measuring a material deformation may be formed, from which a braking effect can be concluded. It may be expedient for the brake-action sensor device to be connected or connectable to the brake-control device for the purpose of transmitting brake-action sensor data.
- a brake effect sensor is applied by a friction brake device to a wheel or an axle Braking force is able to detect.
- the activation of the frictionally-dependent friction brake device by the brake control device can be ensured, for example, by the fact that the brake control device is able to electrically control control valve devices of the frictionally-dependent friction brake device and / or to control a power supply to provide one or more electrical brake currents. In this case, at least one specific brake pressure or braking current can be provided.
- the brake control device receives brake actuation data such as brake pressure data and / or brake current data and brake action data.
- the brake control device may be configured to correlate brake actuation data and brake action data with each other.
- a temporal correlation and / or synchronization of the brake actuation data and brake action data can be provided by the brake control device.
- the brake control device may be designed to determine a temporal relationship between brake actuation data and brake action data and / or a time-related change in a relationship between brake actuation data and brake action data.
- a relationship between brake actuation data and brake action data may be a functional relationship and given, for example, by a relationship between correlated brake actuation data and brake action data.
- Monitoring the brake actuation data and the brake action data may include checking whether a predetermined relationship between brake actuation data and brake action data is met or not met. Thus, for example, it can be monitored whether, in the case of a certain actuated and / or actuation detected by the brake actuation sensor device, in particular one actuated at a specific one and / or detected brake pressure or braking current, a certain braking effect is achieved. It is conceivable that the brake control device is designed to process braking force data in order to determine the braking force that is exerted by a friction brake device.
- the brake control device may be configured to calculate the braking force and any braking torque that may occur from braking force data.
- the brake control device may be configured to access stored model parameters which describe the at least one friction brake device.
- the braking force sensor device is provided with a computer unit which is able to process braking force data. In the case of such a processing, it can be provided that the computer unit or the control device calculates braking force and braking torque, provides it in the form of correspondingly identified and formatted braking force data, and optionally transmits it to the brake control device.
- a computer unit can be regarded as part of the brake control device or be associated with the sensor device.
- the brake control device may be configured to perform a function diagnosis as part of monitoring the brake actuation data and brake action data.
- the braking can be a test braking.
- the brake control device, the frictionally-dependent friction brake device with a predetermined brake pressure or braking current and / or a predetermined braking effect to control, in particular with a predetermined braking force.
- the predetermined brake pressure or braking current and / or the predetermined braking effect may relate to one or more Reibbrems wornen.
- a test brake should primarily not serve the deceleration of the rail vehicle, but the monitoring and verification of frictionally-dependent friction brake device.
- a low brake pressure or braking current can be applied and / or a low braking effect can be activated. the.
- brake pressure or braking current and / or braking force are lower than in the case of rapid braking or emergency braking.
- a test braking can be performed in particular while the vehicle is being driven for a drive.
- the brake control device may be designed to control a test braking during a journey of the vehicle, so when the rail vehicle moves. This makes it possible, for example, to check whether only a braking force for a friction brake device is generated when applying a brake pressure or braking current, or whether a braking torque is generated. Because such a braking torque would significantly change the signal of a braking force sensor device relative to the case in which only a braking force is applied. If only one braking force, but no braking torque, is present during a drive at the controlled brake pressure or braking current, it can be assumed, for example, that the associated wheel is blocked and does not turn or does not turn as desired.
- the traction-dependent friction brake device can have a plurality of friction brake devices that can be controlled separately by the brake control device. This results in a flexible control of the brakes.
- a separate activation may mean controlling control valve devices or power supplies in such a way that different brake pressures or brake currents are supplied to force generators and / or that different friction brake devices are actuated with different brake pressures or brake currents.
- the brake control device may be configured to trigger the plurality of friction brake devices with a time delay for a test braking operation.
- a test braking system can therefore comprise a plurality of chronologically spaced apart brake systems.
- the vehicle is braked excessively during a test drive braking.
- the Reibbrems wornen can be controlled in a predetermined sequence.
- the rail vehicle in particular a carriage of the rail vehicle, has at least two bogies. At each bogie at least two axles can be provided.
- Each wheel axle of a bogie can be assigned at least one Reibbrems worn, wherein different wheel axles of a bogie different Reibbrems wornen can be assigned.
- a plurality of friction brake devices can be provided on a bogie.
- the Reibbrems wornen on the different bogies can be supplied from a common main control valve device or power supply with a common brake pressure or braking current, which can be individually modifiable, for example, each by a Reibbrems worn associated additional control valve devices.
- the brake control device may be designed to control the frictionally-dependent friction brake device for actuating the friction brake devices of the bogies in a predetermined sequence. It can be provided that the Reibbrems recruiteden be controlled bogies.
- the friction brake devices arranged on a first bogie and then the friction brake devices arranged on a second bogie can first be controlled for braking.
- the Reibbrems wornen to the respective bogie can be simultaneously or delayed in time, so in a subsequence, controlled.
- the brake control device may in particular be designed to control in a sequence in each case a friction brake device of a bogie to a braking before it successively each drives a friction brake of another bogie to a braking.
- the brake control device may be designed to control a test braking while driving at predetermined intervals.
- the predetermined distances can be temporal distances. For example, it may be provided that the brake control device is set up to control a test brake at predetermined time intervals. It is also conceivable that the predetermined distances are spatial distances, so that for example after driving a certain distance a test braking is controlled. Such a controlled test braking may relate to one or more Reibbrems wornen.
- the brake control device may be designed to store brake action data and associated brake application data. As a result, data sets can be created for long-term monitoring or for a later analysis of the braking behavior.
- the brake control device may in this connection be connected or connectable to a memory device. Such a memory device can be added to the brake control device.
- the brake control device is designed to, based on stored brake action data and Brake actuation data to monitor a time course of the behavior of Reibbrems promoteden.
- the brake control device is designed to monitor the time course of brake action data and associated brake actuation data for individual friction brake devices.
- the course of the relationship between braking force and brake pressure or braking current for at least one Reibbrems can be monitored.
- it can be determined, for example, whether and / or how the braking force generated by a friction brake device changes over time at a specific brake pressure or braking current.
- the invention also relates to a brake system for a rail vehicle with a brake control device described herein.
- the brake control device may in particular comprise a brake action sensor device described herein and / or a brake actuation sensor device described herein and / or at least one frictionally actuated friction brake device described herein.
- the invention relates to a rail vehicle with a brake control device described herein and / or a brake system described herein.
- the invention relates to a method for operating a brake system of a rail vehicle with the steps of driving, by a brake control device, the brake system for braking, the receiving, by the brake control device of a brake actuation sensor device of the brake system transmitted brake actuation data, the receiving, by the brake control device of brake action data transmitted by a brake action sensor means of the brake system, and of assignment, by the brake control means, brake operation data to corresponding brake action data and monitoring, by the brake control means, brake action data and brake operation data associated with each other.
- the brake control device may in particular be a brake as described herein. Act control.
- the brake system may be a brake system described herein.
- At least one friction-dependent friction brake device of the brake system can be controlled for the braking.
- the braking is a test brake.
- the test braking can be controlled during a journey.
- the frictionally-dependent friction brake device may have a plurality of separately controllable by the brake control device Reibbrems soliciten.
- the friction brake devices can be controlled separately during braking, in particular during test braking.
- the plurality of friction brake devices can be controlled one behind the other with a time delay. It can be provided that a predetermined sequence is provided for controlling the friction brake devices. It can be provided that a test braking is controlled while driving at predetermined intervals.
- the predetermined distances can be, for example, temporal or spatial distances. It may be the storing, by the brake control device, of brake action data and associated brake actuation data. The data may be retrieved by the brake control device to perform, for example, a functional diagnosis, a monitoring of a development over time and / or a fault diagnosis.
- a functional diagnosis can generally give different results.
- the brake control device can recognize a blocked axle as a result of the functional diagnosis when the vehicle is moving so that a braking torque for the blocked axle or the blocked wheel results from the brake action data without a brake pressure or brake current being present and / or a braking being triggered. In this case, it can be compared, for example, whether a noteworthy braking force and / or a braking torque is applied to the other axles and / or wheels of the vehicle, which can be attributed to a brake pressure or braking current.
- a brake pressure or brake current is applied to the other wheels and / or a corresponding activation has been carried out, a braking force and / or a braking torque is thus achieved effective, it is likely that the wheel in question is also braked correctly, but there is a fault in the brake pressure detection or brake current detection.
- comparison with electronic or digital driving may help determine whether there is a locked wheel or faulty brake actuation sensor device. Because it is unlikely that a faulty drive signal and a faulty brake pressure detection or brake current detection occur simultaneously. In addition, it can be determined as part of the function diagnosis whether the vehicle is moving.
- the signal of a brake action sensor device differs when the vehicle is not moved by a signal that is caused when a braking torque applied, ie during a moving state. Because when the vehicle is not moving, although there is a braking force, but no braking torque is generated because the wheel and / or the axle is not rotating. In particular, in the review of multiple wheels or axles can be concluded that the state of motion of the vehicle. Even with blocking wheels, the signals of the brake action sensor device may differ from the signals at train stop.
- a brake pressure or braking current is applied when the vehicle is moving, but no braking torque is detected, there may be a malfunction of the brake in which a brake pressure or braking current is not converted into a braking force or a braking torque. If it is possible to conclude from a data of another sensor device, for example from wheel speed data, on a blocked axle or a blocked wheel, it can be assumed in this case that the axle blocks for reasons which are not in the brake system.
- a bearing error or a drive error may be present.
- a temperature sensor which is optionally connected to the brake control device or can be connected to the bearing can then be used between a bearing and a drive damage can be distinguished.
- a temperature sensor may cause the bearing to overheat as an indication of bearing damage.
- the train operation can be performed in different ways. For example, when a locked brake is detected when a train is stopped, a single brake can be placed in a neutral position and disconnected from a pressure supply. If necessary, the train may then continue to travel at a slower speed by appropriate control of the remaining friction brake devices and other brake systems.
- a roll monitoring is possible, which may be formed separately from a skid.
- a monitoring of the role properties of axles and / or wheels is possible, which can be performed independently of wheel speed sensors.
- wheel speed sensors provide support data for the described functional diagnosis, in principle a blocked wheel and / or a blocked axle can take place independently of these support data.
- the brake system and / or the rail vehicle may generally include a roll monitoring device, which may include speed sensors or may be connected to speed sensors.
- a control device of the rail vehicle in particular the brake control device, is able to carry out a plausibility check of data of a roll monitoring device.
- the control device is designed to compare data based on brake performance data with data from the roll monitoring device.
- a result of a function can be based on brake performance data. represent onsdiagnose.
- the described test braking acts as a dynamic brake test while driving. In the case of a locked axle or a locked wheel in a moving vehicle, there are essentially sliding friction effects between wheel and rail because a locked wheel does not substantially rotate.
- the brake control device may be configured to detect and / or identify periodic and / or quasi-periodic signals in the brake action data and / or brake actuation data.
- the brake control device may be designed to store detected periodic and / or quasi-periodic signals or to store data based on such signals. It can be provided that the brake control device is able to compare stored data with current brake action data and / or brake application data.
- the elimination of a periodic signal in a Reibbrems worn and / or the shifting of the period can be determined towards larger periodicities. This may be an indication of a blocked or sliding wheel.
- the brake control device is designed to determine a signal spectrum in the frequency domain from the brake action data and / or brake actuation data, for example by a suitable transformation such as a Fourier transform. It may also be appropriate to normalize the data appropriately, such as by using wheel speed data for normalization and / or filtering of the brake data.
- a normal period may be defined for periodic signals as the basis of comparison which is independent of the current wheel speed.
- Figure 1 is a schematic representation of a brake system of a rail vehicle with a brake control device
- FIG. 2 schematically shows a flowchart of a method for operating a brake system of a rail vehicle.
- Figure 1 shows schematically a brake system 10 of a rail vehicle with a frictionally-dependent friction brake device, which is formed in this example as a pneumatic brake device. Mechanical and pneumatic connections and lines are shown by solid lines, while electrical connections or communication channels are shown in dashed lines.
- the brake system 10 is intended to brake wheels 12 and 13 of the rail vehicle. In this example, wheels 12 and 13 are on different axles.
- the first wheel 12 is associated with a first brake pad 14.
- the second wheel 13 is associated with a second brake pad 15.
- Each of the pads 14, 15 has a pad which, when the pad with the pad is pressed against the tread of the associated wheel 12, 13, decelerates the associated wheel.
- the brake pad 14 is actuated by a force generator 16 for braking.
- the force generator 16 is connected via a supply line to a main control valve device 20. Via the main control valve device 20, the force generator 16 can be supplied with compressed air. Similarly, the brake pad 15 is associated with a force generator 17, which can also be supplied via the main control valve device 20 with compressed air for actuating the force generator to bring the brake pad 15 with the wheel tread of the wheel 13 in contact.
- the main control valve device 20 is connected to a compressed air supply device 22, from which it can take compressed air to it during braking to provide the force generators 16, 17. Furthermore, an electronic brake control device 24 designed as a brake computer is provided, which is able to control the main control valve device 20.
- the main control valve device 20 may in particular have one or more solenoid valves, which can be controlled by the brake control device 24.
- the electrical control lines for the second wheel associated components are not shown. However, they are comparable to the control cables associated with the first wheel and its components.
- the first wheel 12 is further associated with a brake effect sensor 18, which is capable of determining a braking force exerted on the brake pad 14 during braking and / or a braking torque.
- the braking effect sensor 18 can thus be regarded as a braking force sensor.
- Such a brake effect sensor may have, for example, one or more stretch marks.
- the sensor 18 is connected to the electronic brake control device 24 for transmitting data.
- the wheel 12 is associated with a first wheel speed sensor 30, which is capable of detecting the rotational speed of the wheel 12. This sensor is also connected to the electronic control device 24 for data transmission.
- a second brake effect sensor 19 is assigned to the second wheel, which is able to determine a braking force exerted on the brake pad 15 and / or a braking torque.
- the second wheel 13 and a second wheel speed sensor 32 is assigned.
- the sensors 18, 19 can each be regarded as part of a brake action sensor device.
- the wheel speed sensors 30, 32 may each be considered part of a wheel speed sensor device.
- the force generators 16, 17 may each comprise pneumatic cylinders which exert a braking force on the associated brake pad 14, 15 when subjected to a braking pressure.
- the force generators 16, 17 may each further comprise a controllable by the electronic control device 24 control valve device via which a provided by the main control valve device 20 master brake pressure can be adjusted individually for the respective pneumatic cylinder of the force generator 16, 17.
- the main control valve device 20 is associated with a main brake pressure sensor 21, which is capable of detecting the main brake pressure provided by the main control valve device 20.
- the pressure sensor 21 is connected to the electronic control device 24 for data transmission.
- the force generator 16 is assigned a first brake pressure sensor 31 and the second force generator 17 has a second brake pressure sensor 33.
- the first and the second brake pressure sensors 31, 33 are each designed to be individually provided by the associated force generator 16, 17 for generating a braking force. put brake pressure to capture.
- the sensors 31, 33 and the master brake pressure sensor 21 may be considered part of a brake pressure sensor device.
- the brake pressure sensors 21, 31, 33 are also connected to the electronic brake control device 24 for data transmission.
- the electronic brake control device 24 on the one hand detect the introduced main brake pressure behind the main control valve device 20.
- the brake control device 24 receives the braking pressure that is individually effective for generating braking force in the individual force generators 16, 17.
- the force generator 16 with the brake pad 14 can be regarded as the first friction brake device.
- the force generator 17 and the second brake pad 15 can be considered as a second friction brake device.
- both friction brake devices may include associated brake linkages and suspensions, which are not shown.
- the main control valve device 20 together with the Reibbrems freshlyen can be regarded as a pneumatic braking device.
- the friction brake devices can also be designed as disc brakes.
- a respective brake effect sensor can be provided which is able to detect a braking force and / or a braking torque exerted during braking and to transmit corresponding brake data to the electronic brake control device 24.
- the brake control device 24 is designed to receive brake action data from the brake action sensors 18, 19 and brake pressure data from the brake pressure sensors 21, 31, 33. Furthermore, the brake control device 24 orders the brake pressure data th corresponding braking effect data and monitors the data associated with each other.
- FIG. 2 shows a flow chart of a method for operating a brake system of a rail vehicle.
- the brake system may be, for example, a brake system shown in Figure 1.
- a brake control device of the brake system controls the brake system for braking.
- a friction-dependent friction brake device of the brake system can be controlled for the braking.
- further components of the brake system are controlled for braking, such as a magnetic rail brake or an eddy current brake.
- the brake control device receives brake actuation data, such as brake pressure data.
- the brake actuation data is communicated to the brake system by a suitable brake actuation sensor device and represents at least one brake pressure or brake current assigned to the brake system by means of a friction-dependent friction brake device.
- the brake actuation data represents a brake pressure or brake current of zero. However, if a different value of the brake pressure or brake current is present, it is possible to conclude that a malfunction of either the brake actuation sensor device or the traction-dependent friction brake device occurs.
- the brake control device receives brake action data, in particular brake force data, which are transmitted by a corresponding brake action sensor device of the brake system.
- the brake effect sensor device may in particular be associated with friction brake devices of the friction-dependent friction brake device.
- the brake control means assigns the brake actuation data to corresponding brake action data.
- the assignment can in particular be made such that brake actuation data, which a relate to certain Reibbrems cream be associated with brake performance data, which relate to the same Reibbrems promoted.
- the brake control unit monitors associated brake action data and brake operation data. In particular, the brake control device can check whether a malfunction of the associated friction brake device or the frictionally-dependent friction brake device results from the respective associated brake action data and brake actuation data.
- the brake control device can monitor whether a given minimum brake force results at a specific brake pressure or brake current and / or a predetermined minimum brake pressure or minimum brake current is present at a specific brake force. Deviations from minimum braking force or minimum brake pressure or minimum braking current may indicate a malfunction of the friction brake device and / or the frictionally-dependent friction brake device.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12756726T PL2753512T3 (en) | 2011-09-09 | 2012-09-07 | Brake control device for a brake system, brake system, rail vehicle and method for operating a brake system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110113026 DE102011113026A1 (en) | 2011-09-09 | 2011-09-09 | Brake control device for a brake system, brake system, rail vehicle and method for operating a brake system |
PCT/EP2012/067571 WO2013034735A2 (en) | 2011-09-09 | 2012-09-07 | Brake control device for a brake system, brake system, rail vehicle and method for operating a brake system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2753512A2 true EP2753512A2 (en) | 2014-07-16 |
EP2753512B1 EP2753512B1 (en) | 2019-04-24 |
Family
ID=46829761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12756726.1A Active EP2753512B1 (en) | 2011-09-09 | 2012-09-07 | Brake control device for a brake system, brake system, rail vehicle and method for operating a brake system |
Country Status (9)
Country | Link |
---|---|
US (1) | US9550503B2 (en) |
EP (1) | EP2753512B1 (en) |
JP (1) | JP6141278B2 (en) |
CN (1) | CN103781678B (en) |
CA (1) | CA2847219C (en) |
DE (1) | DE102011113026A1 (en) |
ES (1) | ES2738216T3 (en) |
PL (1) | PL2753512T3 (en) |
WO (1) | WO2013034735A2 (en) |
Families Citing this family (12)
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DE102011110050B4 (en) * | 2011-08-12 | 2014-03-06 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Brake system with magnetic rail brake device |
DE102011110053A1 (en) * | 2011-08-12 | 2013-02-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Brake system with magnetic rail brake device |
DE102011113025A1 (en) * | 2011-09-09 | 2013-03-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Brake control device for a brake system of a rail vehicle, brake system, rail vehicle and method for operating a brake control device |
DE102011113026A1 (en) * | 2011-09-09 | 2013-03-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Brake control device for a brake system, brake system, rail vehicle and method for operating a brake system |
JP6452934B2 (en) * | 2013-11-19 | 2019-01-16 | Ntn株式会社 | Electric brake device |
DE102015000898A1 (en) * | 2015-01-23 | 2016-07-28 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Brake system with mechanical traction limit wheel-rail |
DE102015205099B4 (en) * | 2015-03-20 | 2021-05-06 | Bombardier Transportation Gmbh | Braking a rail vehicle |
DE102016116419A1 (en) | 2016-09-02 | 2018-03-08 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Method and device for monitoring vehicle conditions in rail vehicles |
DE102017122762A1 (en) | 2017-09-29 | 2019-04-04 | Bombardier Transportation Gmbh | Control device for installation in a rail vehicle and for operating devices in a rail vehicle, as well as a rail vehicle with a control device |
CN109334649B (en) * | 2018-11-20 | 2024-04-30 | 江苏徐工工程机械研究院有限公司 | Brake system of dual-purpose rail vehicle and dual-purpose rail vehicle |
DE102022127155A1 (en) * | 2022-10-18 | 2024-04-18 | Zf Cv Systems Global Gmbh | Method for monitoring the braking effect of a vehicle, brake control unit, braking system and vehicle |
CN115933618B (en) * | 2023-01-05 | 2023-11-24 | 江苏永久摩托车科技有限公司 | Intelligent driving fault monitoring system and method based on Internet of vehicles |
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JPH0662080B2 (en) * | 1985-11-14 | 1994-08-17 | トヨタ自動車株式会社 | Anti-skidding type brake system for vehicles |
US5201834A (en) * | 1989-04-05 | 1993-04-13 | Inventio Ag | Method for the testing and monitoring of brakes in rail vehicles |
DE59000626D1 (en) | 1989-04-05 | 1993-02-04 | Inventio Ag | METHOD FOR BRAKE TESTING AND MONITORING IN RAIL VEHICLES AND DEVICE FOR IMPLEMENTING THE METHOD. |
DE4425598C1 (en) * | 1994-07-06 | 1995-12-21 | Mannesmann Ag | Automatic braking force measurement device for e.g. railway vehicle in stationary state or during travel |
US5808909A (en) * | 1995-09-15 | 1998-09-15 | Rees; James G. | Electronic brake control valve tester for rail cars and trains |
DE19755112B4 (en) * | 1996-12-21 | 2007-06-28 | Volkswagen Ag | Method and monitoring device for determining a decrease in the braking effect of a motor vehicle brake |
CA2211815A1 (en) * | 1997-07-29 | 1999-01-29 | Craig Luker | Method and apparatus for determining vehicle brake effectiveness |
JP3693867B2 (en) * | 1999-11-12 | 2005-09-14 | 本田技研工業株式会社 | Inspection method for vehicle behavior stabilization mechanism |
DE10026687B4 (en) * | 2000-05-30 | 2004-08-26 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Method and device for monitoring the effectiveness of vehicle brake systems |
DE10142790B4 (en) * | 2001-08-31 | 2007-01-18 | Winkle, Günther, Dipl.-Ing.(TU) | Brake diagnostics for rail and road vehicles |
DE102007034799A1 (en) * | 2007-07-23 | 2009-02-05 | Siemens Ag | Method for statically checking a brake system of a vehicle |
US8311699B2 (en) * | 2008-02-06 | 2012-11-13 | General Electric Company | Automatic brake verification system |
DE102009020428A1 (en) * | 2008-11-19 | 2010-05-20 | Eureka Navigation Solutions Ag | Device and method for a rail vehicle |
DE102008059882B4 (en) * | 2008-12-01 | 2010-07-15 | Schaltbau Gmbh | Device and method for monitoring a magnetic brake on rail vehicles |
DE102010011352A1 (en) * | 2010-03-12 | 2011-09-15 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Measuring device for carrying out a brake test on a rail vehicle |
CN103415425B (en) * | 2010-12-31 | 2017-02-15 | 通用电气公司 | System and method for controlling a vehicle |
DE102011113026A1 (en) * | 2011-09-09 | 2013-03-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Brake control device for a brake system, brake system, rail vehicle and method for operating a brake system |
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-
2011
- 2011-09-09 DE DE201110113026 patent/DE102011113026A1/en active Pending
-
2012
- 2012-09-07 ES ES12756726T patent/ES2738216T3/en active Active
- 2012-09-07 PL PL12756726T patent/PL2753512T3/en unknown
- 2012-09-07 WO PCT/EP2012/067571 patent/WO2013034735A2/en active Application Filing
- 2012-09-07 CA CA2847219A patent/CA2847219C/en not_active Expired - Fee Related
- 2012-09-07 JP JP2014529004A patent/JP6141278B2/en not_active Expired - Fee Related
- 2012-09-07 EP EP12756726.1A patent/EP2753512B1/en active Active
- 2012-09-07 CN CN201280044008.7A patent/CN103781678B/en active Active
- 2012-09-07 US US14/342,675 patent/US9550503B2/en active Active
Non-Patent Citations (1)
Title |
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See references of WO2013034735A2 * |
Also Published As
Publication number | Publication date |
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WO2013034735A3 (en) | 2013-05-02 |
CA2847219A1 (en) | 2013-03-14 |
US20140222258A1 (en) | 2014-08-07 |
CA2847219C (en) | 2019-12-24 |
US9550503B2 (en) | 2017-01-24 |
WO2013034735A2 (en) | 2013-03-14 |
EP2753512B1 (en) | 2019-04-24 |
DE102011113026A1 (en) | 2013-03-14 |
CN103781678B (en) | 2017-07-21 |
CN103781678A (en) | 2014-05-07 |
PL2753512T3 (en) | 2019-10-31 |
JP2014528870A (en) | 2014-10-30 |
ES2738216T3 (en) | 2020-01-20 |
JP6141278B2 (en) | 2017-06-07 |
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